72671780

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{16007}}^1$

素因数の和:16243

約数の個数: 24

約数和(自身を含む): 153292608

約数和(自身を除く): 80620828

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 16007, 32014, 64028, 80035, 160070, 320140, 3633589, 7267178, 14534356, 18167945, 36335890, 72671780]

約数ペア:

[(1, 72671780), (2, 36335890), (4, 18167945), (5, 14534356), (10, 7267178), (20, 3633589), (227, 320140), (454, 160070), (908, 80035), (1135, 64028), (2270, 32014), (4540, 16007)]